Bug 87991
| Summary: | hid-sony uses non-DMA-capable transfer buffer, fails | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | Hector Martin (marcan) |
| Component: | Input Devices | Assignee: | drivers_input-devices |
| Status: | RESOLVED CODE_FIX | ||
| Severity: | normal | CC: | dmitry.torokhov |
| Priority: | P1 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | 3.17.1 | Subsystem: | |
| Regression: | No | Bisected commit-id: | |
This should be fixed now. |
The kernel itself complains: input: Sony PLAYSTATION(R)3 Controller as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2.2/1-1.2.2.4/1-1.2.2.4:1.0/0003:054C:0268.000A/input/input51 sony 0003:054C:0268.000A: input,hiddev0,hidraw3: USB HID v1.11 Joystick [Sony PLAYSTATION(R)3 Controller] on usb-0000:00:1a.0-1.2.2.4/input0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27497 at drivers/usb/core/hcd.c:1503 usb_hcd_map_urb_for_dma+0x588/0x5a0 [usbcore]() transfer buffer not dma capable <snip> sony 0003:054C:0268.000A: failed to retrieve feature report 0xf2 with the Sixaxis MAC address sony: probe of 0003:054C:0268.000A failed with error -11 Looks like the code just uses a stack-allocated buffer (from drivers/hid/hid-sony.c): __u8 buf[18]; <snip comment> ret = hid_hw_raw_request(sc->hdev, 0xf2, buf, sizeof(buf), HID_FEATURE_REPORT, HID_REQ_GET_REPORT);